diagram griding cement by virtical roller mill,cements ground in the vertical roller mill fulfil the quality . - Loescheproducers now use vertical roller mills for cement grinding with no hesitation.3. Im Zementherstellungsprozess .. diagram. ❰ Fig. 4 shows size distribution curves for cements produced by grinding in VRMs and in ball mills. The inclination of each curve, the slope 'n', is measured at the positioning parameter that repre-.diagram griding cement by virtical roller mill,Vertical roller mill for raw materials(4) This type of mill can crush materials which are too large to be fed into the tube (ball) mill. (5) Ground materials are dried by the flue gas from the kiln. Fig.2 Schematic process flow of vertical roller mill for grinding of raw materials. Vertical roller mills are adopted in 20 cement plants (44 mills) in Japan. Results.